dc149e71903163cd0b45fc723576d30ef930b98fda18d3e855d389cfc673f940

Analysis

max time kernel
0s
max time network
3s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
22/10/2023, 16:47

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General

Target

NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Size

78KB
MD5

105f0e78b1b9a26d9247b107bc07c060
SHA1

fcd640c590deab73e88222c3466163cbea8aa91e
SHA256

dc149e71903163cd0b45fc723576d30ef930b98fda18d3e855d389cfc673f940
SHA512

d9af66764b6e2afed412a8f04fae30d48b40c9a4e752f7a064e6a44b77e4439bfe77bf028ec7e906de59376dcf0b4b8593cdeab1d4194f0e02defc2279be5b3f
SSDEEP

1536:rwN15pzo7ES9ppEbUruZ5MdNieU6yf5oAnqDM+4yyF:8N1bBOpESdNifCuq4cyF

Score

10^/10

dropper persistence trojan

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe

Malware Backdoor - Berbew 1 IoCs

Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.

persistence dropper trojan

resource	yara_rule
behavioral1/memory/2036-0-0x0000000000400000-0x0000000000441000-memory.dmp	family_berbew

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Bbgnak32.exe	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
File opened for modification	C:\Windows\SysWOW64\Bbgnak32.exe	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
File created	C:\Windows\SysWOW64\Ehieciqq.dll	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Ehieciqq.dll"	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	NEAS.105f0e78b1b9a26d9247b107bc07c060.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.105f0e78b1b9a26d9247b107bc07c060.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.105f0e78b1b9a26d9247b107bc07c060.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- Modifies registry class
PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2036-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads